thoughtbot/bourbon — pull request #183 by mbrictson (2013-02-11 02:06:13+00:00)
Title: Honor $asset-pipeline argument when emitting 1x background-image

The retina-image mixin was using the `$asset-pipeline` flag inside the hidpi media query, but not in the default case. This meant that in Rails, the 1x background image would have the incorrect URL.